TODAY DEC22
TEMPERATURE40
HUMIDITY62
PRESSURE101460
WIND COND.160 33.5
  • 3925Mon
  • 3628Tue
  • 4031
  • 4437Thu40%
  • 4837Fri40%40%
daynightWeather update from Marshalltown, Marshalltown Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Le Grand for July is 73.6 degrees
  • The lowest monthly average temperature in Le Grand for January is 19.9 degrees
  • The most monthly precipitation in Le Grand occurs in May with 5.8 inches
  • The air quality index in Le Grand is 7% better than the national average
  • The pollution index in Le Grand is 85% better than the national average

Compare Le Grand, IA Weather

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      Le Grand Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January12°F29°F20°F0.6"
      February13°F32°F22°F0.8"
      March28°F48°F37°F1.7"
      April39°F62°F49°F4.8"
      May50°F73°F61°F5.8"
      June60°F82°F71°F5.1"
      July63°F84°F74°F4.0"
      August61°F82°F71°F4.9"
      September52°F77°F64°F3.9"
      October41°F63°F51°F2.9"
      November29°F49°F38°F1.5"
      December16°F33°F24°F1.4"

      Le Grand air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexLe GrandIowaNational
      Air quality index393942
      Pollution index416,1141,154,5352,726,193

      Le Grand air quality

      MeasurementTotal
      Days measured363
      Days with good air quality286
      Days with moderate air quality77
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.004%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly Le Grand temperature with heat index

      Le Grand monthly precipitation with daily maximum

      Le Grand monthly snow depth with daily maximum

      Le Grand monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Albion, IA6443726.0%
      Haverhill, IA1703726.0%
      Gilman, IA5433726.0%
      Laurel, IA1943726.0%
      Liscomb, IA3813726.0%
      Le Grand, IA8423922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Pittsburg, IL8424314.0%
      Augusta, MI8423824.0%
      Rosman, NC8424412.0%
      Quinton, OK8424314.0%
      Atlas, PA8424216.0%
      Le Grand, IA8423922.0%
      Source: The Le Grand, IA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.